The proposals were evaluated to determine whether the firms had had experience with comparable projects, capacity and personnel, and 21 of the firms were shortlisted. The shortlisted firms were invited to make further oral presentations.
Las propuestas fueron evaluadas para determinar si las empresas tenían experiencia en proyectos semejantes, y capacidad y personal suficiente; 21 empresas fueron preseleccionadas e invitadas a hacer exposiciones orales.